First of all, Voicemeeter does not need to be removed in case of problem.Voicemeeter is a simple Application endowed with an audio device driver, if you don’t use it , there is no way to get trouble. There is also no reason to reset computer or make a restoring point. All is a question of audio configuration (basically given in windows Control Panel / Sound Dialog Box).

if you made a desinstallation without REBOOT, re-installing Voicemeeter could not work anymore.

If Voicemeeter Setup Program does not propose you to install, it’s because the virtual audio device is certainly still installed or not completely de-installed. You need to de-install Voicemeeter Virtual Audio Driver manually by the Windows Procedure:

(1)- Go in system / device manager (2)- Find any reference to Voicemeeter Audio Device and click on it to de-install it.(3)- Reboot after each operation.

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REM: Start by uninstalling multimedia drivers (not audio I/O)When the multimedia driver is not present anymore,You might uninstall remaining Voicemeeter audio i/o if anyReboot and Repeat the operation until having no more Voicemeeter audio component on your system.

if Voicemeeter Installer cannot finish its process (installation should be done in less than 3 minutes)you can go in Voicemeeter directory (C: \Program Files (x86)\ VB \ Voicemeeter) and try to use VBCABLE_Setup programs to install or remove Voicemeeter virtual audio device (REBOOT after each operation).

if nothing works and you still can't install Voicemeeter againas last option, consider making a system roll back (sytem restore)... from a recent point (some days) (if your system restore is activated of course).